CVE-2023-21689
Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability
CVE-2023-21689 is fixed in 31 products on 1 platform, first by KB5022838, released February 14, 2023. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.2670
98th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.5717 | KB5022838 | Feb 14, 2023 |
| Windows 10 Version 1607 for x64-based Systems | 14393.5717 | KB5022838 | Feb 14, 2023 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.4010 | KB5022840 | Feb 14, 2023 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.4010 | KB5022840 | Feb 14, 2023 |
| Windows 10 Version 1809 for x64-based Systems | 17763.4010 | KB5022840 | Feb 14, 2023 |
| Windows 10 Version 20H2 for 32-bit Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 Version 20H2 for ARM64-based Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 Version 21H2 for 32-bit Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 Version 21H2 for ARM64-based Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 Version 21H2 for x64-based Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 Version 22H2 for 32-bit Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 Version 22H2 for ARM64-based Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 Version 22H2 for x64-based Systems | KB5022834 | Feb 14, 2023 | |
| Windows 10 for 32-bit Systems | 10240.19747 | KB5022858 | Feb 14, 2023 |
| Windows 10 for x64-based Systems | 10240.19747 | KB5022858 | Feb 14, 2023 |
| Windows 11 Version 22H2 for ARM64-based Systems | 22621.1265 | KB5022845 | Feb 14, 2023 |
| Windows 11 Version 22H2 for x64-based Systems | 22621.1265 | KB5022845 | Feb 14, 2023 |
| Windows 11 version 21H2 for ARM64-based Systems | 22000.1574 | KB5022836 | Feb 14, 2023 |
| Windows 11 version 21H2 for x64-based Systems | 22000.1574 | KB5022836 | Feb 14, 2023 |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5022874 | Feb 14, 2023 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5022872 | Feb 14, 2023 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5022874 | Feb 14, 2023 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5022872 | Feb 14, 2023 | |
| Windows Server 2012 | KB5022895 | Feb 14, 2023 | |
| Windows Server 2012 | KB5022903 | Feb 14, 2023 | |
| Windows Server 2012 (Server Core installation) | KB5022895 | Feb 14, 2023 | |
| Windows Server 2012 (Server Core installation) | KB5022903 | Feb 14, 2023 | |
| Windows Server 2012 R2 | KB5022894 | Feb 14, 2023 | |
| Windows Server 2012 R2 | KB5022899 | Feb 14, 2023 | |
| Windows Server 2012 R2 (Server Core installation) | KB5022894 | Feb 14, 2023 | |
| Windows Server 2012 R2 (Server Core installation) | KB5022899 | Feb 14, 2023 | |
| Windows Server 2016 | 14393.5717 | KB5022838 | Feb 14, 2023 |
| Windows Server 2016 (Server Core installation) | 14393.5717 | KB5022838 | Feb 14, 2023 |
| Windows Server 2019 | 17763.4010 | KB5022840 | Feb 14, 2023 |
| Windows Server 2019 (Server Core installation) | 17763.4010 | KB5022840 | Feb 14, 2023 |
| Windows Server 2022 | KB5022921 | Feb 14, 2023 | |
| Windows Server 2022 | 20348.1547 | KB5022842 | Feb 14, 2023 |
| Windows Server 2022 (Server Core installation) | KB5022921 | Feb 14, 2023 | |
| Windows Server 2022 (Server Core installation) | 20348.1547 | KB5022842 | Feb 14, 2023 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.